DH

Douglas R. Hajicek

EF Energy And Environmental Research Center Foundation: 1 patents #27 of 70Top 40%
📍 Mayville, ND: #97 of 197 inventorsTop 50%
🗺 North Dakota: #1,185 of 2,395 inventorsTop 50%
Overall (All Time): #3,750,268 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5546875 Controlled spontaneous reactor system Stanley J. Selle, Michael Mann, Nanak S. Grewal 1996-08-20